How do you descale the Lelit PL60T

Hi folks,

First time poster here.

I need some advice on descaling the Lelit PL60T (Dual Boiler), I've recently bought a 3 years old PL60T and already starting to worry about the descaling. My last machine is a HX which was fairly straightforward to descale however PL60T seems a lot more complex. esp with the additional steam boiler.